SumacLife Cady Microsoft Surface Book Pro 4 & 3 12-inch Laptop and Tablet Briefcase Bag (Black) Stylish and versatile briefcase shoulder bag, ideal for work, school and everyday use Multiple storage compartments allow you to carry more devices and accessories Semi hard, durable constructed exterior along with a soft polyester lined interior Dual Touch fastener straps securely hold your device in place and prevent from falling out Features anti-slip grip top carrying handles and includes a removable shoulder strap